Development of Simulated HPGe Detector Spectrum for Education

교육용 모사 HPGe 검출기 스펙트럼 개발

  • Seo, Kyung-Won (Nuclear Training Center, Korea Atomic Energy Research Institute) ;
  • Lee, Mo-Sung (Department of Applied Science, Chongju University)
  • 서경원 (한국원자력연구소 원자력연수원) ;
  • 이모성 (청주대학교 응용과학부)
  • Published : 2007.03.30

Abstract

From HPGe calibration spectrum of liquid mixed source in cylindrical vial, we developed simulated spectrum for spectrum analysis education. It is the spectrum that combine peaks separated from measured spectrum. After that, spectrum removed statistical variation of channel counts. Statistical fluctuation of the spectrum is made by Box-Muller function. The spectrum contains 18 peaks. The peak's centroid and area were defined exactly. Developed spectra are calibration spectrum, sample spectrum, background spectrum and spectra for efficiency correction for geometry and cascade coincidence.

References

  1. IAEA. Measurement of radionuclides in food and the environment. TR No.295 1989
  2. Canberra. Genie 2000 Operational Manual. 2002:125
  3. Canberra. Multifit Fitting Parameters Setup. APTEC.HLP, 2002
  4. Parr RM, Houtermans H, Schaerf J. The I.A.E.A. intercomparison of methods of processing Ge(Li) gammaray spectra - preliminary report, in 'Computers in Activation Analysis and Gamma Ray Spectrometry. I.A.E.A. CONF- 780421 1979
  5. Sanderson CG. An evaluation of commercial IBM PC software for the analysis of low level environmental gamma-ray spectra. Environment International 14 1988:379-384 https://doi.org/10.1016/0160-4120(88)90019-0
  6. http://www.nucleartraining.co.uk/program.htm, Nuclear Training Services Ltd
  7. Kern J. Computer analysis of nuclear spectra and ${\gamma}-energy$ standards. Nucl. Instr. and Meth. 1970;79:233-239 https://doi.org/10.1016/0029-554X(70)90145-X
  8. Jorch HH and Campbell JL. On the analytic fitting of full energy peaks from Ge(Li) and Si(Li) photon detectors. Nucl. Instr. and Meth. 1977;143:551-559 https://doi.org/10.1016/0029-554X(77)90246-4
  9. Teoh W. Cutipie - A computer program to analyze gamma-ray spectra. Nucl. Instr. and Meth. 1973;109:509-513 https://doi.org/10.1016/0029-554X(73)90564-8
  10. Dojo M. A shape function of photopeaks for gamma-ray spectrum analysis with Ge(Li) detectors. Nucl. Instr. and Meth. 1974;115:425-429 https://doi.org/10.1016/0029-554X(74)90242-0
  11. Canberra. Genie 2000 Operational Manual. 2002:116-117
  12. Knuth DE. The Art of Computer Programming. Addision Wesley 1981:117-127
  13. Gilmore G and Hemingway JD. Practical Gamma-Ray Spectrometry. John Wiley & Sons 1955:167